Mug



FIG. 1 is a perspective view of a mug;

FIG. 2 is a left side view of the mug;

FIG. 3 is a right side view of the mug;

FIG. 4 is a front view of the mug;

FIG. 5 is a rear view of the mug;

FIG. 6 is a top view of the mug; and,

FIG. 7 is a bottom view of the mug. 

CLAIM The ornamental design for a mug, as shown and described. 